Internet Explorer 7 does not render correctly left: auto and top: auto for absolutely positioned elements

Instructions: hover the mouse over the blue list 1 or list 2.

Expected results: a sub-menu of list-items should pop up under, below creating a drop-down menu list effect and without covering list 1 and list 2.

Firefox 1.5, Firefox 2.x, Opera 9.24, Opera 9.50, Safari 3.0.4, Konqueror 3.5.8, K-meleon 1.x, Seamonkey 1.x, Seamonkey 2.x, NS 6.2, NS 7.0, NS 7.2 all pass this test.

Valid HTML 4.01! CSS compliant